Eaton ER4X-100CF3PR Enclosed Rotary Disconnect - NEMA 4X
Part Number: ER4X-100CF3PR
Quick Summary
The Eaton ER4X-100CF3PR is an enclosed rotary disconnect switch used to isolate power in industrial control panels. Many engineers face downtime and safety risks during maintenance when isolation isn't quick or secure, especially in tough environments. CE Marked and NEMA 4X rated, this enclosure provides reliable protection against dust, water, and corrosion, enabling compliant operation in harsh locales. Designed for 600 V, 100 A service with three poles, it supports fast, code-compliant installation and reduces panel footprint and risk. This makes it a strong fit for OEMs and maintenance teams seeking durable isolation with predictable performance and lower total cost of ownership.
Product Information
Extended Description
ER4X-100CF3PR Eaton: Eaton Bussmann series enclosed rotary disconnect switch, Fuse type CF, Pistol handle, 600V, 100A, Three-pole, Red, NEMA rating 4X
Product Name
Eaton Bussmann series enclosed rotary disconnect switch
Catalog Number
ER4X-100CF3PR
UPC
051712748520
Product Length/Depth
11.8 in
Product Height
10.8 in
Product Width
9.84 in
Product Weight
6 lb
Compliances
CE Marked
Amperage Rating
100A
NEMA rating
NEMA 4X
Voltage rating
600 V
Special features
Fuse type CF, Pistol handle
ER4X-100CF3PR~100CF, ENC CCP, 4X,3POLE
ER4X-100CF3PR~100CF, ENC CCP, 4X,3POLE
Eaton Specification Sheet - ER4X-100CF3PR
Feature: Enclosed rotary disconnect switch with fuse-type CF compatibility and a pistol-style handle. Business Impact: Simplifies fault isolation and reduces arc flash exposure during maintenance. Application: Ideal for panel boards and machine enclosures where quick, safe isolation is required. Feature: Three-pole, 600 V, 100 A rating for three-phase circuits. Business Impact: Supports demanding motor loads and control circuits with reliable interruption. Application: Suitable for motor control centers, service disconnects, and large equipment feeds in manufacturing plants. Feature: NEMA 4X enclosure with CE Marked compliance. Business Impact: Delivers durable protection against dust, water ingress, and corrosion while meeting international standards. Application: Outdoor enclosures or washdown environments in process industries and food and beverage facilities. Feature: Compact footprint and manageable weight (11.8 in D, 9.84 in W, 10.8 in H; 6 lb). Business Impact: Eases installation, retrofits, and space planning while reducing installation time and labor. Application: Retrofit projects or limited-space panels in machine rooms and distribution cabinets. Feature: Fuse type CF compatibility and pistol-actuated operation. Business Impact: Enables selective coordination with Bussmann CF fuses, improving reliability and simplifying maintenance workflows. Application: Industry-standard protection schemes in control panels and switchgear assemblies.
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FAQs
When installing the ER4X-100CF3PR, plan for a three-pole arrangement within a compatible control panel. Ensure access to the pistol handle and space for the 11.8 inch depth. Verify 600 V circuitry, proper conductor sizing, and secure mounting to support safe operation and compliant isolation per NEMA 4X requirements.
CF fuse compatibility allows selective coordination using Bussmann CF fuses, enabling targeted protection without unnecessary fuse changes. This reduces mean time to repair, simplifies spare parts stocking, and lowers downtime during maintenance while preserving short-circuit protection and regulatory compliance for three-phase circuits up to 600 V.
Yes. The unit uses a NEMA 4X enclosure, delivering corrosion resistance and dust/water ingress protection. CE Marked, it supports installation in challenging environments found in outdoor substations, manufacturing floors, and washdown areas, making it a dependable choice for harsh industrial settings.
The ER4X-100CF3PR is CE Marked and NEMA 4X rated, signaling compliance with European and North American safety and performance standards. These certifications ensure adequate protection against environmental factors and electrical safety during maintenance, aiding procurement teams in meeting regulatory requirements across facilities and OEM projects.
The disconnect switch can lower total cost of ownership by reducing downtime through faster, safer isolation and simpler maintenance workflows. Its CF fuse compatibility supports selective protection, while the robust enclosure minimizes corrosion-related failures. Combined with straightforward installation, users typically see reduced repair times and improved system reliability over the asset lifecycle.